What is the slope and y-intercept of this line?

y = x – 3

slope: –3, y-intercept: 1

slope: 1, y-intercept: –3

slope: –1, y-intercept: –3

slope: 3, y-intercept: –1

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?